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authorJoel Fernandes (Google) <joel@joelfernandes.org>2019-04-07 20:47:19 -0400
committerPaul E. McKenney <paulmck@linux.ibm.com>2019-05-28 09:03:35 -0700
commit54e6c11b9e74fd780e52f95c3eed313e0f4e6b7e (patch)
treef399553b65ca91a4f0945f5f100f027a40ca6d12 /samples/kdb
parentfe15b50cdeeebd9248bf27e3c31278668f08bc04 (diff)
srcu: Remove unused vmlinux srcu linker entries
The SRCU for modules optimization (commit title "srcu: Allocate per-CPU data for DEFINE_SRCU() in modules") introduced vmlinux linker entries which is unused since it applies only to the built-in vmlinux. So remove it to prevent any space usage due to the 8 byte alignment it added. vmlinux.lds.h has no effect on module loading and is not used for building the module object, so the changes were not needed in the first place since the optimization is specific to modules. Tested with SRCU torture_type and rcutorture. Put prints in module loader to confirm it is able to find and initialize the srcu structures. Cc: Josh Triplett <josh@joshtriplett.org> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> Cc: Lai Jiangshan <jiangshanlai@gmail.com> Cc: kernel-team@android.com Cc: paulmck@linux.vnet.ibm.com Signed-off-by: Joel Fernandes (Google) <joel@joelfernandes.org> Signed-off-by: Paul E. McKenney <paulmck@linux.ibm.com>
Diffstat (limited to 'samples/kdb')
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